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Finding the Fourth Proportional to 3,570,659.79, 4,929,325.29 and 2,265,245.30

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Solution

The fourth proportional to 3,570,659.79, 4,929,325.29 and 2,265,245.30 is: 3,127,189.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570,659.79 : 4,929,325.29 = 2,265,245.30 : x
  2. Step 2: Convert to fraction form
    3,570,659.79/4,929,325.29 = 2,265,245.30/x
  3. Step 3: Cross multiply
    3,570,659.79x = 4,929,325.29 × 2,265,245.30
  4. Step 4: Simplify right side
    3,570,659.79x = 11,166,130,945,343.64
  5. Step 5: Solve for x
    x = 11,166,130,945,343.64/3,570,659.79
  6. Step 6: Final answer
    x = 3,127,189.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.